Home / 761,113.20-1,140,845.76-495,063.84

Finding the Fourth Proportional to 761,113.20, 1,140,845.76 and 495,063.84

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Solution

The fourth proportional to 761,113.20, 1,140,845.76 and 495,063.84 is: 742,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,113.20 : 1,140,845.76 = 495,063.84 : x
  2. Step 2: Convert to fraction form
    761,113.20/1,140,845.76 = 495,063.84/x
  3. Step 3: Cross multiply
    761,113.20x = 1,140,845.76 × 495,063.84
  4. Step 4: Simplify right side
    761,113.20x = 564,791,482,793.32
  5. Step 5: Solve for x
    x = 564,791,482,793.32/761,113.20
  6. Step 6: Final answer
    x = 742,059.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.